#   Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Base environment used in reinforcement learning"""

import numpy as np

__all__ = ['BaseEnv']


class BaseEnv:
    def reset(self):
        raise NotImplementedError('Abstract method.')

    def step(self):
        raise NotImplementedError('Abstract method.')

    def _build_state_embedding(self):
        raise NotImplementedError('Abstract method.')
